Home / 826,685.57-1,140,747.29-464,026.31

Finding the Fourth Proportional to 826,685.57, 1,140,747.29 and 464,026.31

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Solution

The fourth proportional to 826,685.57, 1,140,747.29 and 464,026.31 is: 640,312.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,685.57 : 1,140,747.29 = 464,026.31 : x
  2. Step 2: Convert to fraction form
    826,685.57/1,140,747.29 = 464,026.31/x
  3. Step 3: Cross multiply
    826,685.57x = 1,140,747.29 × 464,026.31
  4. Step 4: Simplify right side
    826,685.57x = 529,336,753,301.07
  5. Step 5: Solve for x
    x = 529,336,753,301.07/826,685.57
  6. Step 6: Final answer
    x = 640,312.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.